Carotenoids obi
All carotenoids     All organisms     All pathways     All reactions     Feedback
Carotenoids DB          Carotenoids DB: CA00936   
[   About  |   Help  |   Search carotenoid entry  |   Search organism entry  |   Search similar carotenoids  |   Predict biological activities of this carotenoid  |   Search possible biosynthetic routes of this carotenoid   ]
Entry
CA00936                                                            
Classification
Carotenoid Name
Okadaxanthin
IUPAC name (2R,6R,2'R,6'R)-2,2'-Bis-(4-hydroxy-2-methylbut-2-enyl)-epsilon,epsilon-carotene
Formula
C50H72O2
Molecular Weight 
705.076 g/mol
Structure      Search similar carotenoids

Mol file
Carotenoid DB Fingerprints 
Biological functions/Properties 
  • A potent singlet oxygen quencher, approximately 10 times as strong as -tocopherol. (Ref.174)
    • Number of
    conjugated double bonds 
    9
    Number of
    conjugated multiple bonds 
    9
    Isomers 
    InChI

    InChIKey

    Canonical SMILES

    XLogP
    16.032
    Hydrogen Bond donors
    (Lipinski's definition)
    2
    Hydrogen Bond Acceptors
    (Lipinski's definition)
    2
    LipinskiFailures
    2
    Complexity of molecule
    0.242
    Number of heavy atoms
    52
    TPSA
    (Topological Polar Surface Area) 
    40.460 Å2
    Reaction
    Pathway
    Major carotenoid information

    Minor carotenoid information

    Source organisms
    Pseudomonas sp. KK10206C (Ref.174) - Gammaproteobacteria (Gammaproteobacteria - Pseudomonadaceae)
    Pseudomonas sp. (Ref.134) - Unclassified pseudomonads (Gammaproteobacteria - Pseudomonadaceae)
    References
  • Ref.174: Miki, W.; Otaki, N.; Yokoyama, A.; Izumida, H.; Shimidzu, Experientia (1994), 50(7), 684-6. N.,(1994), "Okadaxanthin, a novel C50-​carotenoid from a bacterium, Pseudomonas sp. KK10206C associated with marine sponge, Halichondria okadai", .
  • Ref.134: Miki, Wataru; Otaki, Nobuko; Yokoyama, Akihiro; Izumida, Hitoshi; Shimizu, Nobuhisa, Jpn. Kokai Tokkyo Koho (1992), JP 04295460 A 19921020. , "Okadaxanthin, its manufacture with Pseudomonas species, and its use as antioxidant".
    • CAS
    146285-20-3
    Links to other DB
    KNApSAcK: C00023090
    ProCarDB: C0555

       Searching other references with Google Scholar or searching the colour of this carotenoid by Google image search